Myocardium thicker and less compliant and early diastolic filling impaired at

Myocardium thicker and less compliant and early

This preview shows page 37 - 44 out of 99 pages.

Myocardium thicker and less compliant, and early diastolic filling impaired at rest Thus, may not tolerate a tachycardia as well because of shortened diastole Slide 19-37 Aging adult
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Age-related changes in ECG Occur as result of histologic changes in conduction system; these changes include: Prolonged P-R interval (first-degree AV block) and prolonged Q-T interval, but the QRS interval is unchanged Left axis deviation from age-related mild LV hypertrophy and fibrosis in left bundle branch Increased incidence of bundle branch block Although hemodynamic changes associated with aging alone do not seem severe or portentous, incidence of cardiovascular disease increases with age Slide 19-38 Aging adult
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Incidence of coronary artery disease increases sharply with advancing age and accounts for about half of deaths of older people Hypertension and heart failure also increase with age Lifestyle habits play a significant role in the acquisition of heart disease Also, increasing physical activity of older adults associated with a reduced risk of death from cardiovascular diseases and respiratory illnesses Both points underscore need for health teaching as an important treatment parameter Slide 19-39 Aging adult
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Prevalence is an estimate of how many people in a stated geographic location have a disease at a given time In the U.S., more than 1 in 3 have one or more forms of cardiovascular heart disease (CVD) Annual rates of first CVD event increase with age For women comparable rates occur 10 years later in life than for men, but this gap narrows with advancing age Causes of CVD include interaction of genetic, environmental, and lifestyle factors Evidence shows potentially modifiable risk factors contribute to overwhelming majority of cardiac risk Slide 19-40 Cultural Competence
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Although all adults have some potential CVD risk, some groups, defined by race, ethnicity, gender, socioeconomic status, and educational level carry an excess burden of CVD Higher percent of men than women have hypertension until 45 years, after which the percentages are similar After 64 years, women have much higher percentage than men Hypertension is 2 to 3 times more common among women taking oral contraceptives, especially obese and older women Hypertension in African Americans is among highest in world and is rising Slide 19-41 Cultural Competence
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Hypertension Prevalence of hypertension is 31.8% for African Americans 25.3% for American Indians or Alaska Natives 23.3% for whites 21% for Hispanics and Asians Compared with whites, African Americans develop hypertension earlier in life and their average BPs are much higher Thus, African Americans have greater rate of stroke, death due from heart disease, and end-stage kidney disease Slide 19-42 Cultural Competence
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Smoking In the 40+ years from 1965 to 2004, U.S.
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  • Fall '17
  • Arthur Sanzari
  • Nursing

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